Dialga @ Choice Specs  
Ability: Pressure  
EVs: 166 HP / 252 SpA / 4 SpD / 88 Spe  
Timid Nature  
IVs: 0 Atk  
- Flash Cannon  
- Draco Meteor  
- Earth Power  
- Thunder  

Deoxys-Speed @ Focus Sash  
Ability: Pressure  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
- Stealth Rock  
- Taunt  
- Magic Coat  
- Spikes  

Aegislash @ Leftovers  
Ability: Stance Change  
EVs: 252 HP / 4 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- King's Shield  
- Toxic  
- Gyro Ball  
- Shadow Ball  

Yveltal @ Leftovers  
Ability: Dark Aura  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- Foul Play  
- Roost  
- Taunt  
- Toxic  

Rayquaza @ Flyinium Z  
Ability: Air Lock  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Dragon Ascent  
- Earthquake  
- Extreme Speed  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 64 Def / 192 Spe  
Timid Nature  
- Recover  
- Toxic  
- Defog  
- Ice Beam